Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 25, 2011	Dec. 26, 2010
Accounts receivable, allowance for doubtful accounts	$ 3,034	$ 2,795
Accounts receivable-affiliates, allowance for doubtful accounts	0	0
Notes receivable, allowance for doubtful accounts	0	0
Notes receivable, less current portion, allowance for doubtful accounts	$ 5,905	$ 9,951
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000	5,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000	50,000
Common stock, shares issued	36,656	36,084
Treasury stock, shares	12,637	10,645